In the Wilcoxon Test of the Differences Between Two Populations

question 44

Multiple Choice

In the Wilcoxon test of the differences between two populations, the value z statistic was calculated to be 1.80.If the level of significance is 0.05, which of the following decisions is appropriate?

• A)Reject the null hypothesis
• B)Do not reject the null hypothesis
• C)Indeterminate without the sample size
• D)Indeterminate without all of the data
• E)Inconclusive

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Definitions:

Experimental Research

A scientific approach that seeks to determine cause-and-effect relationships by manipulating independent variables and observing their effects on dependent variables.

Independent Variable

In an experiment, the stimulus variable or condition the experimenter manipulates to learn its effect on the dependent variable.

Manipulated

Altered or controlled by someone or something in a skillful or sometimes deceitful manner.

Projective Tests

Psychological assessments that use ambiguous stimuli to uncover hidden emotions and internal conflicts.